This adds support for the MMD access registers the RTL-SoCs use to access clause 45
PHYs via mdio.
This new interface is used to add EEE-support for the RTL8226
Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
Adds support for the RTL9300 and RTL9310 series of switches
with 10GBit per port and up to 56 ports.
Signed-off-by: Birger Koblitz <git@birger-koblitz.de>